How severe is CVE-2022-28981?

CVE-2022-28981 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-28981 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28981?

CVE-2022-28981 affects Liferay Liferay Portal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28981?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-28981 published?

CVE-2022-28981 was published on 2022-09-22 and last updated on 2026-07-05.

CVE-2022-28981

CVE-2022-28981 is a high-severity vulnerability in Liferay Liferay Portal with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Liferay Liferay Portal
Published: 2022-09-22
Last modified: 2026-07-05

Description

Path traversal vulnerability in the Hypermedia REST APIs module in Liferay Portal 7.4.0 through 7.4.2 allows remote attackers to access files outside of com.liferay.headless.discovery.web/META-INF/resources via the `parameter` parameter.

Frequently asked questions

What is CVE-2022-28981?: Path traversal vulnerability in the Hypermedia REST APIs module in Liferay Portal 7.4.0 through 7.4.2 allows remote attackers to access files outside of com.liferay.headless.discovery.web/META-INF/resources via the `parameter` parameter.
How severe is CVE-2022-28981?: CVE-2022-28981 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-28981 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28981?: CVE-2022-28981 affects Liferay Liferay Portal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28981?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-28981 published?: CVE-2022-28981 was published on 2022-09-22 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*

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